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Introduction
Specifications
Environmental
Performance curves
Schematics
Physical characteristics
Tape & Reel
Soldering/Washing

LPD6235 Series

Common Mode Chokes

Coilcraft LPD6235 Series provides both common mode and differential mode filtering in a single low-profile miniature device. They provide 100 Vrms, one minute winding-to-winding isolation.

Low-profile miniature CM choke measures only 3.5 mm high, 6.2 mm square
Common- and differential-mode filtering in a single device
Up to 130 MHz differential mode cutoff frequency
AEC-Q200 Grade 1 (–40°C to +125°C)

Refer to Designing Common Mode Filters for design guidance.

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Count	Unit price
1	$1.59
350	$1.37
700	$0.83
1400	$0.64
2800	$0.56
5000	$0.51

For high volume or non-stock items, request a quote.

Termination

R = Matte tin over nickel over silver

Packaging

C = 7" machine-ready reel

Tolerance

M = 20%

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Specifications

Electrical specifications at 25°C.

Part number 1	Lines	Common mode peak impedance (kΩ)	Cutoff frequency (MHz) 2	Inductance min (µH) 3	Irms (A) 4	DCR max (Ω) 5	Isolation Voltage (Vrms) 6
Part number 1	Lines	Common mode peak impedance (kΩ)	Cutoff frequency (MHz) 2	Inductance min (µH) 3	Irms (A) 4	DCR max (Ω) 5	Isolation Voltage (Vrms) 6
LPD6235-682MR_	2	8.52 @ 39.0 MHz	130	5.4	1.40	0.120	100
LPD6235-103MR_	2	11.67 @ 28.0 MHz	110	8.0	1.30	0.157	100
LPD6235-223MR_	2	22.75 @ 19.0 MHz	52.0	18	0.85	0.300	100
LPD6235-473MR_	2	34.39 @ 12.0 MHz	48.0	38	0.60	0.620	100
LPD6235-104MR_	2	59.92 @ 8.7 MHz	34.0	80	0.40	1.200	100
LPD6235-474MR_	2	178.15 @ 3.5 MHz	20.0	376	0.25	3.500	100
LPD6235-105MR_	2	240.93 @ 2.4 MHz	9.8	800	0.15	7.000	100
LPD6235-155MR_	2	357.53 @ 1.8 MHz	6.1	1200	0.14	10.800	100
LPD6235-205MR_	2	574.18 @ 1.5 MHz	4.5	1600	0.11	16.000	100

Notes

When ordering, please specify termination and packaging codes: e.g. LPD6235-205MRC
Frequency at which the differential mode attenuation equals 3 dB
Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent.
Irms: Current that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.
DCR is for each winding, measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
Interwinding isolation (hipot) tested for one minute.

Termination:

R = Matte tin over nickel over silver.
Q = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
P = non-RoHS tin-lead (63/37). (Special order, added cost)

Packaging:

C = 7″ machine-ready reel. EIA-481 embossed plastic tape (350 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to C.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (1500 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

–40°C to +125°C with (40°C rise) Irms current

Storage temperature range:

Component: –40°C to +165°C
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+165°C (ambient + temp rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Performance curves

Attenuation (Ref: 50 Ohms)

Impedance vs Frequency

Schematics

Physical characteristics

Tape and Reel specification

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
350	1500*	178/330	60/100	13	24,4	16,4	16	12	4	2	3,68	0,3

* Special order

General specification

Core Material:

Ferrite

Weight:

420 – 480 mg

Packaging:

350/7″ reel; 1500/13″ reel Plastic tape: 16 mm wide, 0.3 mm thick, 12 mm pocket spacing, 3.68 mm pocket depth

Winding to Winding Isolation:

100 Vrms, one minute

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

Recommended Pick & Place Nozzle:

OD: 6.2 mm; ID: ≤ 3.1 mm

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

LPD6235 Series

Common Mode Chokes